Posted by Elan Magavi on 01/04/07 14:46

If you have any of the hardware assisted realtime cards you can do keying
with them in real time.
"Phillip" <spoonsop@gmail.com> wrote in message
news:1167585855.847302.3500@s34g2000cwa.googlegroups.com...
> Hi
>
> Recently in a primary school class, I took my DV camcorder. A pupil
> wrote a quick "news report" for English, then I filmed them saying it
> infront of a plain black curtain. (not ideal as a blue screen
> equivilant, but just a simple experiement)
>
> In my video program, (Sony Vegas) I took out the black background, and
> inserted a still image of a real TV news studio. I then added another
> picture of a news desk infront of the moving-video channel. The
> result, crudely, was very good. I didn't need to render the video
> either just to watch a draft playback of it in the time line. (I did
> render the segment so everyone could watch it full screen in good
> resolution seperately.)
>
> Now my question is - has anybody created a simple software program that
> can display realtime DV input from a camcorder, and chroma key the
> specified colour simultaneously? And preferably allow the user to
> insert a still backdrop image?
>
> Perhaps I'm asking the impossible from a small stand alone software -
> but I figured if my software video editor can do it roughly, without
> rendering it first - somebody might have implemented the same ability
> into a specific program. BASICALLY it would be great to use
> something like this, to drop the kids on camera infront of any
> backdrop, for all kinds of inspiring purposes. And the idea of it being
> realtime, to allow you them to see themselves and the rest of the class
> view it as it happens. Also eliminating the time it takes for me to
> edit and render it in full.
>
> Or what's the cheapest piece of kit that could achieve this?
>
> Thanks!
>

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